package collection;

import java.util.*;
import java.util.stream.Collectors;

public class StreamApiDemo1 {
	public static void main(String[] args) {
		Random rand = new Random();
		List<Integer> list = new ArrayList<>();
		for (int i = 0;i < 10;i++){
			list.add(rand.nextInt(100));
		}
		System.out.println(list);
		
		List<Integer> list2 = list.stream()
				.map(e->e*3)
				.collect(Collectors.toList());
		System.out.println(list2);
		List<Integer> list3 = list.stream().filter(e->e%2==0).collect(Collectors.toList());
		System.out.println(list3);
		
		List<Integer> list4 = list.stream().sorted((e1,e2)->e2-e1).collect(Collectors.toList());
		System.out.println(list4);
		
		List<Integer> list5 = list.stream()
				.map(e->e*3)
				.filter(e->e%2==0)
				.sorted((e1,e2)->e2-e1)
				.collect(Collectors.toList());
		System.out.println(list5);
	}
}
